Terahertz control of many-body dynamics in quantum materials

CJ Yang, J Li, M Fiebig, S Pal - Nature Reviews Materials, 2023 - nature.com
Quantum-mechanical phenomena underpin the behaviour of quantum materials at the
microscopic level. The description of several essential properties of these materials …

Revealing a 3D Fermi Surface Pocket and Electron-Hole Tunneling in with Quantum Oscillations

C Broyles, Z Rehfuss, H Siddiquee, JA Zhu, K Zheng… - Physical Review Letters, 2023 - APS
Spin triplet superconductor UTe 2 is widely believed to host a quasi-two-dimensional Fermi
surface, revealed by first-principles calculations, photoemission, and quantum oscillation …

Breakdown of the scaling relation of anomalous Hall effect in Kondo lattice ferromagnet USbTe

H Siddiquee, C Broyles, E Kotta, S Liu, S Peng… - Nature …, 2023 - nature.com
The interaction between strong correlation and Berry curvature is an open territory of in the
field of quantum materials. Here we report large anomalous Hall conductivity in a Kondo …

Thermodynamic and electrical transport properties of under uniaxial stress

C Girod, CR Stevens, A Huxley, ED Bauer, FB Santos… - Physical Review B, 2022 - APS
Despite intense experimental efforts, the nature of the unconventional superconducting
order parameter of UTe 2 remains elusive. This puzzle stems from reports of either a single …

Impact of fd Kondo cloud on superconductivity of nickelates

B Kang, H Kim, Q Zhu, CH Park - Cell Reports Physical Science, 2023 - cell.com
The discovery of superconducting nickelates reignited hope for elucidating the high-T c
superconductivity mechanism in isostructural cuprates. While the superconducting gap …

Investigating the limits of superconductivity in UTe2

A Weiland, SM Thomas, PFS Rosa - Journal of Physics: Materials, 2022 - iopscience.iop.org
Spin-triplet bulk superconductors are a promising route to topological superconductivity, and
UTe 2 is a recently discovered contender. The superconducting properties of UTe 2 …

Controlling crystal-electric field levels through symmetry-breaking uniaxial pressure in a cubic super heavy fermion

E Gati, B Schmidt, SL Bud'ko, AP Mackenzie… - npj Quantum …, 2023 - nature.com
YbPtBi is one of the heavy-fermion systems with largest Sommerfeld coefficient γ and is thus
classified as a 'super'-heavy fermion material. In this work, we resolve the long-debated …

Crystallographic defects in Weyl semimetal LaAlGe

I Kim, B Kang, H Kim, M Choi - Physical Review Materials, 2024 - APS
Crystallographic defects in a topological semimetal can result in charge doping and
scattering centers which may mask the exotic spectroscopic and transport properties …

Infinite-layer nickelates as Ni-eg Hund's metals

B Kang, C Melnick, P Semon, S Ryee, MJ Han… - npj Quantum …, 2023 - nature.com
The recent and exciting discovery of superconductivity in the hole-doped infinite-layer
nickelate Nd1− δ Sr δ NiO2 draws strong attention to correlated quantum materials. From a …

Correlated normal state fermiology and topological superconductivity in UTe2

HC Choi, SH Lee, BJ Yang - Communications Physics, 2024 - nature.com
UTe2 is a promising candidate for spin-triplet superconductors, in which a paramagnetic
normal state becomes superconducting due to spin fluctuations. Here, we theoretically show …